21. I’m _______Chinese and I do feel ______Chinese language is ____most beautiful language .
A. /, the, a B. a, /, the C. a, the, / D. a, /, a
22．There has to a well-developed system that can give people a warning when a tsunami is _______ the way.
A．have…in B．be…in C．have…on D．be…on
